Dioptase and Hollandite Physical Properties

Dioptase

Hollandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.355.05

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Brittle, Metallic

1.6 Cleavage

Perfect in three directions

Distinct / Good, Prismatic

1.7 Mohs Hardness

54-6

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ba(Mn++++,Mn++)8O16

Dioptase and Hollandite Chemical Formula

While comparing Dioptase and Hollandite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Dioptase and Hollandite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Dioptase Vs Euclase

Dioptase and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 5.05 whereas that of Hollandite is 5.05.